If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
NASA invented baby food as we know it today.
7
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
It would take more than 150 years to drive a car to the sun.
569
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15